History 1,019 Economic conditions 811 Social conditions 633 Politics and government 306 Economic policy 272 Women 247 Economic aspects 193 more ... Commerce 189 Agriculture 173 Population 156 Social aspects 142 Labor unions 138 Economic history 108 Land tenure 105 Rural conditions 103 Socialism 93 Communism 89 Industries 83 Petroleum industry and trade 82 Feminism 81 Finance, Public 78 Land reform 73 Working class 73 Economic development 71 Political activity 71 Peasants 64 Government policy 63 Histoire 63 Violence 63 Foreign economic relations 62 less ...